@ARTICLE{Li:Cryptanalysis:PLA2008b, author = {A.B. Orue and V. Fernandez and G. Alvarez and G. Pastor and M. Romera and Shujun Li and F. Montoya}, title = {Determination of the parameters for a Lorenz system and application to break the security of two-channel chaotic cryptosystems}, journal = {Physics Letters A}, year = {2008}, volume = {372}, number = {34}, pages = {5588-5592}, doi = {10.1016/j.physleta.2008.06.066}, note = {preprint available online at \url{http://www.hooklee.com/pub.html}}, }