@misc{cryptoeprint:2007:090, author = {Chengqing Li, Shujun Li, Muhammad Asim, Juana Nunez, Gonzalo Alvarez and Guanrong Chen}, title = {On the security of an image encryption scheme}, howpublished = {Cryptology ePrint Archive, Report 2007/090}, year = {2007}, url = {http://eprint.iacr.org/2007/090}, }