Mitsuru Matsui, Toshio Tokita. Cryptanalysis of a Reduced Version of the Block Cipher E2. In Lars R. Knudsen, editor, Fast Software Encryption, 6th International Workshop, FSE 99, Rome, Italy, March 24-26, 1999, Proceedings. Volume 1636 of Lecture Notes in Computer Science, pages 71-80, Springer, 1999. [doi]
Abstract is missing.