Håvard Molland, Tor Helleseth. An Improved Correlation Attack Against Irregular Clocked and Filtered Keystream Generators. In Matthew K. Franklin, editor, Advances in Cryptology - CRYPTO 2004, 24th Annual International CryptologyConference, Santa Barbara, California, USA, August 15-19, 2004, Proceedings. Volume 3152 of Lecture Notes in Computer Science, pages 373-389, Springer, 2004. [doi]
Abstract is missing.