Dan Boneh, Xavier Boyen, Eu-Jin Goh. Hierarchical Identity Based Encryption with Constant Size Ciphertext. In Ronald Cramer, editor, Advances in Cryptology - EUROCRYPT 2005, 24th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Aarhus, Denmark, May 22-26, 2005, Proceedings. Volume 3494 of Lecture Notes in Computer Science, pages 440-456, Springer, 2005. [doi]
Abstract is missing.