Chih-Chwen Chuang, James George Dunham. Matrix Extensions of the RSA Algorithm. In Alfred Menezes, Scott A. Vanstone, editors, Advances in Cryptology - CRYPTO 90, 10th Annual International Cryptology Conference, Santa Barbara, California, USA, August 11-15, 1990, Proceedings. Volume 537 of Lecture Notes in Computer Science, pages 140-155, Springer, 1990. [doi]
Abstract is missing.