Simon Knellwolf, Willi Meier, María Naya-Plasencia. Conditional Differential Cryptanalysis of NLFSR-Based Cryptosystems. In Masayuki Abe, editor, Advances in Cryptology - ASIACRYPT 2010 - 16th International Conference on the Theory and Application of Cryptology and Information Security, Singapore, December 5-9, 2010. Proceedings. Volume 6477 of Lecture Notes in Computer Science, pages 130-145, Springer, 2010. [doi]