Dan Boneh, Antoine Joux, Phong Q. Nguyen. Why Textbook ElGamal and RSA Encryption Are Insecure. In Tatsuaki Okamoto, editor, Advances in Cryptology - ASIACRYPT 2000, 6th International Conference on the Theory and Application of Cryptology and Information Security, Kyoto, Japan, December 3-7, 2000, Proceedings. Volume 1976 of Lecture Notes in Computer Science, pages 30-43, Springer, 2000. [doi]
Abstract is missing.