-\newcommand{\etalchar}[1]{$^{#1}$}
-\begin{thebibliography}{CHG{\etalchar{+}}14b}
-
-\bibitem[BBCS92]{Banks92}
-J.~Banks, J.~Brooks, G.~Cairns, and P.~Stacey.
-\newblock On {D}evaney's definition of chaos.
-\newblock {\em Amer. Math. Monthly}, 99:332--334, 1992.
-
-\bibitem[BCGR11]{bcgr11:ip}
-Jacques Bahi, Jean-Fran\c{c}ois Couchot, Christophe Guyeux, and Adrien Richard.
-\newblock On the link between strongly connected iteration graphs and chaotic
- boolean discrete-time dynamical systems.
-\newblock In {\em FCT'11, 18th Int. Symp. on Fundamentals of Computation
- Theory}, volume 6914 of {\em LNCS}, pages 126--137, Oslo, Norway, August
- 2011.
-
-\bibitem[BR10]{Nist10}
-E.~Barker and A.~Roginsky.
-\newblock Draft {N}{I}{S}{T} special publication 800-131 recommendation for the
- transitioning of cryptographic algorithms and key sizes, 2010.
-
-\bibitem[BS96]{DBLP:journals/combinatorics/BhatS96}
-Girish~S. Bhat and Carla~D. Savage.
-\newblock Balanced gray codes.
-\newblock {\em Electr. J. Comb.}, 3(1), 1996.
-
-\bibitem[Byk16]{Bykov2016}
-I.~S. Bykov.
-\newblock On locally balanced gray codes.
-\newblock {\em Journal of Applied and Industrial Mathematics}, 10(1):78--85,
- 2016.
-
-\bibitem[CHG{\etalchar{+}}14a]{chgw14oip}
-Jean-Fran\c{c}ois Couchot, Pierre-Cyrille H\'eam, Christophe Guyeux, Qianxue
- Wang, and Jacques Bahi.
-\newblock Pseudorandom number generators with balanced gray codes.
-\newblock In {\em Secrypt 2014, 11th Int. Conf. on Security and Cryptography},
- pages 469--475, Vienna, Austria, August 2014.
-\newblock Position short paper.
-
-\bibitem[CHG{\etalchar{+}}14b]{DBLP:conf/secrypt/CouchotHGWB14}
-Jean{-}Fran{\c{c}}ois Couchot, Pierre{-}Cyrille H{\'{e}}am, Christophe Guyeux,
- Qianxue Wang, and Jacques~M. Bahi.
-\newblock Pseudorandom number generators with balanced gray codes.
-\newblock In Mohammad~S. Obaidat, Andreas Holzinger, and Pierangela Samarati,
- editors, {\em {SECRYPT} 2014 - Proceedings of the 11th International
- Conference on Security and Cryptography, Vienna, Austria, 28-30 August,
- 2014}, pages 469--475. SciTePress, 2014.
-
-\bibitem[CMZ09]{5376454}
-Li~Cao, Lequan Min, and Hongyan Zang.
-\newblock A chaos-based pseudorandom number generator and performance analysis.
-\newblock In {\em Computational Intelligence and Security, 2009. CIS '09.
- International Conference on}, volume~1, pages 494--498. IEEE, Dec 2009.
-
-\bibitem[Dev89]{Devaney}
-Robert~L. Devaney.
-\newblock {\em An Introduction to Chaotic Dynamical Systems}.
-\newblock Addison-Wesley, Redwood City, CA, 2nd edition, 1989.
-
-\bibitem[GWB10]{guyeuxTaiwan10}
-Christophe Guyeux, Qianxue Wang, and J.M. Bahi.
-\newblock Improving random number generators by chaotic iterations application
- in data hiding.
-\newblock In {\em Computer Application and System Modeling (ICCASM), 2010
- International Conference on}, volume~13, pages V13--643--V13--647. IEEE, Oct
- 2010.
-
-\bibitem[LPW06]{LevinPeresWilmer2006}
-David~A. Levin, Yuval Peres, and Elizabeth~L. Wilmer.
-\newblock {\em {Markov chains and mixing times}}.
-\newblock American Mathematical Society, 2006.
-
-\bibitem[LS07]{LEcuyerS07}
-Pierre L'Ecuyer and Richard~J. Simard.
-\newblock Test{U01}: {A} {C} library for empirical testing of random number
- generators.
-\newblock {\em ACM Trans. Math. Softw}, 33(4), 2007.
-
-\bibitem[Mar96]{Marsaglia1996}
-G.~Marsaglia.
-\newblock Diehard: a battery of tests of randomness.
-\newblock {\em http://stat.fsu.edu/~geo/diehard.html}, 1996.
-
-\bibitem[MU05]{proba}
-M.~Mitzenmacher and Eli Upfal.
-\newblock {\em Probability and Computing}.
-\newblock Cambridge University Press, 2005.
-
-\bibitem[RC81]{Robinson:1981:CS}
-John~P. Robinson and Martin Cohn.
-\newblock Counting sequences.
-\newblock {\em IEEE Trans. Comput.}, 30(1):17--23, January 1981.
-
-\bibitem[SK01]{915385}
-T.~Stojanovski and L.~Kocarev.
-\newblock Chaos-based random number generators-part i: analysis [cryptography].
-\newblock {\em Circuits and Systems I: Fundamental Theory and Applications,
- IEEE Transactions on}, 48(3):281--288, Mar 2001.
-
-\bibitem[SPK01]{915396}
-T.~Stojanovski, J.~Pihl, and L.~Kocarev.
-\newblock Chaos-based random number generators. part ii: practical realization.
-\newblock {\em Circuits and Systems I: Fundamental Theory and Applications,
- IEEE Transactions on}, 48(3):382--385, Mar 2001.
-
-\bibitem[SZ04]{ZanSup04}
-IN~Suparta and AJ~van Zanten.
-\newblock Totally balanced and exponentially balanced gray codes.
-\newblock {\em Discrete Analysis and Operation Research (Russia)},
- 11(4):81--98, 2004.
-
-\bibitem[WBGF10]{wbg10ip}
-Qianxue Wang, Jacques Bahi, Christophe Guyeux, and Xiaole Fang.
-\newblock Randomness quality of {CI} chaotic generators. application to
- internet security.
-\newblock In {\em INTERNET'2010. The 2nd Int. Conf. on Evolving Internet},
- pages 125--130, Valencia, Spain, September 2010. IEEE Computer Society Press.
-\newblock Best Paper award.
+\begin{thebibliography}{21}
+\newcommand{\enquote}[1]{``#1''}
+\providecommand{\natexlab}[1]{#1}
+\providecommand{\url}[1]{\texttt{#1}}
+\providecommand{\urlprefix}{URL }
+\expandafter\ifx\csname urlstyle\endcsname\relax
+ \providecommand{\doi}[1]{doi:\discretionary{}{}{}#1}\else
+ \providecommand{\doi}{doi:\discretionary{}{}{}\begingroup
+ \urlstyle{rm}\Url}\fi
+
+\bibitem[{Bahi \emph{et~al.}(2011{\natexlab{a}})Bahi, Couchot, Guyeux \&
+ Richard}]{bcgr11:ip}
+Bahi, J., Couchot, J.-F., Guyeux, C. \& Richard, A. [2011{\natexlab{a}}]
+ \enquote{On the link between strongly connected iteration graphs and chaotic
+ boolean discrete-time dynamical systems,} \emph{FCT'11, 18th Int. Symp. on
+ Fundamentals of Computation Theory} (Oslo, Norway), pp. 126--137.
+
+\bibitem[{Bahi \emph{et~al.}(2011{\natexlab{b}})Bahi, Fang, Guyeux \&
+ Wang}]{bfgw11:ip}
+Bahi, J., Fang, X., Guyeux, C. \& Wang, Q. [2011{\natexlab{b}}] \enquote{On the
+ design of a family of {CI} pseudo-random number generators,} \emph{WICOM'11,
+ 7th Int. IEEE Conf. on Wireless Communications, Networking and Mobile
+ Computing} (Wuhan, China), pp. 1--4.
+
+\bibitem[{Banks \emph{et~al.}(1992)Banks, Brooks, Cairns \& Stacey}]{Banks92}
+Banks, J., Brooks, J., Cairns, G. \& Stacey, P. [1992] \enquote{On {D}evaney's
+ definition of chaos,} \emph{Amer. Math. Monthly} \textbf{99}, 332--334.
+
+\bibitem[{Barker \& Roginsky(2010)}]{Nist10}
+Barker, E. \& Roginsky, A. [2010] \enquote{Draft {N}{I}{S}{T} special
+ publication 800-131 recommendation for the transitioning of cryptographic
+ algorithms and key sizes,} .
+
+\bibitem[{Bhat \& Savage(1996)}]{DBLP:journals/combinatorics/BhatS96}
+Bhat, G.~S. \& Savage, C.~D. [1996] \enquote{Balanced gray codes,}
+ \emph{Electr. J. Comb.} \textbf{3},
+ \urlprefix\url{http://www.combinatorics.org/Volume_3/Abstracts/v3i1r25.html}.
+
+\bibitem[{Bykov(2016)}]{Bykov2016}
+Bykov, I.~S. [2016] \enquote{On locally balanced gray codes,} \emph{Journal of
+ Applied and Industrial Mathematics} \textbf{10}, 78--85.
+
+\bibitem[{Cao \emph{et~al.}(2009)Cao, Min \& Zang}]{5376454}
+Cao, L., Min, L. \& Zang, H. [2009] \enquote{A chaos-based pseudorandom number
+ generator and performance analysis,} \emph{Computational Intelligence and
+ Security, 2009. CIS '09. International Conference on} (IEEE), pp. 494--498.
+
+\bibitem[{Couchot \emph{et~al.}(2014)Couchot, H{\'{e}}am, Guyeux, Wang \&
+ Bahi}]{DBLP:conf/secrypt/CouchotHGWB14}
+Couchot, J., H{\'{e}}am, P., Guyeux, C., Wang, Q. \& Bahi, J.~M. [2014]
+ \enquote{Pseudorandom number generators with balanced gray codes,}
+ \emph{{SECRYPT} 2014 - Proceedings of the 11th International Conference on
+ Security and Cryptography, Vienna, Austria, 28-30 August, 2014}, eds.
+ Obaidat, M.~S., Holzinger, A. \& Samarati, P. (SciTePress), ISBN
+ 978-989-758-045-1, pp. 469--475.
+
+\bibitem[{Devaney(1989)}]{Devaney}
+Devaney, R.~L. [1989] \emph{An Introduction to Chaotic Dynamical Systems}, 2nd
+ ed. (Addison-Wesley, Redwood City, CA).
+
+\bibitem[{Guyeux \emph{et~al.}(2010)Guyeux, Wang \& Bahi}]{guyeuxTaiwan10}
+Guyeux, C., Wang, Q. \& Bahi, J. [2010] \enquote{Improving random number
+ generators by chaotic iterations application in data hiding,} \emph{Computer
+ Application and System Modeling (ICCASM), 2010 International Conference on}
+ (IEEE), pp. V13--643--V13--647.
+
+\bibitem[{L'Ecuyer \& Simard(2007)}]{LEcuyerS07}
+L'Ecuyer, P. \& Simard, R.~J. [2007] \enquote{Test{U01}: {A} {C} library for
+ empirical testing of random number generators,} \emph{ACM Trans. Math. Softw}
+ \textbf{33}.
+
+\bibitem[{Levin \emph{et~al.}(2006)Levin, Peres \&
+ Wilmer}]{LevinPeresWilmer2006}
+Levin, D.~A., Peres, Y. \& Wilmer, E.~L. [2006] \emph{{Markov chains and mixing
+ times}} (American Mathematical Society),
+ \urlprefix\url{http://scholar.google.com/scholar.bib?q=info:3wf9IU94tyMJ:scholar.google.com/&output=citation&hl=en&as_sdt=2000&ct=citation&cd=0}.
+
+\bibitem[{Marsaglia(1996)}]{Marsaglia1996}
+Marsaglia, G. [1996] \enquote{Diehard: a battery of tests of randomness,}
+ \emph{http://stat.fsu.edu/~geo/diehard.html} .
+
+\bibitem[{Matsumoto \& Nishimura(1998)}]{matsumoto1998mersenne}
+Matsumoto, M. \& Nishimura, T. [1998] \enquote{Mersenne twister: a
+ 623-dimensionally equidistributed uniform pseudo-random number generator,}
+ \emph{ACM Transactions on Modeling and Computer Simulation (TOMACS)}
+ \textbf{8}, 3--30.
+
+\bibitem[{Mitzenmacher \& Upfal(2005)}]{proba}
+Mitzenmacher, M. \& Upfal, E. [2005] \emph{Probability and Computing}
+ (Cambridge University Press).
+
+\bibitem[{Robinson \& Cohn(1981)}]{Robinson:1981:CS}
+Robinson, J.~P. \& Cohn, M. [1981] \enquote{Counting sequences,} \emph{IEEE
+ Trans. Comput.} \textbf{30}, 17--23,
+ \urlprefix\url{http://dl.acm.org/citation.cfm?id=1963620.1963622}.
+
+\bibitem[{Stojanovski \& Kocarev(2001)}]{915385}
+Stojanovski, T. \& Kocarev, L. [2001] \enquote{Chaos-based random number
+ generators-part i: analysis [cryptography],} \emph{Circuits and Systems I:
+ Fundamental Theory and Applications, IEEE Transactions on} \textbf{48},
+ 281--288.
+
+\bibitem[{Stojanovski \emph{et~al.}(2001)Stojanovski, Pihl \& Kocarev}]{915396}
+Stojanovski, T., Pihl, J. \& Kocarev, L. [2001] \enquote{Chaos-based random
+ number generators. part ii: practical realization,} \emph{Circuits and
+ Systems I: Fundamental Theory and Applications, IEEE Transactions on}
+ \textbf{48}, 382--385.
+
+\bibitem[{Suparta \& Zanten(2004)}]{ZanSup04}
+Suparta, I. \& Zanten, A.~v. [2004] \enquote{Totally balanced and exponentially
+ balanced gray codes,} \emph{Discrete Analysis and Operation Research
+ (Russia)} \textbf{11}, 81--98.
+
+\bibitem[{Wang \emph{et~al.}(2010{\natexlab{a}})Wang, Bahi, Guyeux \&
+ Fang}]{wbg10ip}
+Wang, Q., Bahi, J., Guyeux, C. \& Fang, X. [2010{\natexlab{a}}]
+ \enquote{Randomness quality of {CI} chaotic generators. application to
+ internet security,} \emph{INTERNET'2010. The 2nd Int. Conf. on Evolving
+ Internet} (IEEE Computer Society Press, Valencia, Spain), pp. 125--130, best
+ Paper award.
+
+\bibitem[{Wang \emph{et~al.}(2010{\natexlab{b}})Wang, Bahi, Guyeux \&
+ Fang}]{wbg10:ip}
+Wang, Q., Bahi, J., Guyeux, C. \& Fang, X. [2010{\natexlab{b}}]
+ \enquote{Randomness quality of {CI} chaotic generators. application to
+ internet security,} \emph{INTERNET'2010. The 2nd Int. Conf. on Evolving
+ Internet} (IEEE Computer Society Press, Valencia, Spain), pp. 125--130, best
+ Paper award.
