@misc{cryptoeprint:2005:015, author = {Dan Boneh and Xavier Boyen and Eu-Jin Goh}, title = {Hierarchical Identity Based Encryption with Constant Size Ciphertext}, howpublished = {Cryptology ePrint Archive, Report 2005/015}, year = {2005}, url = {http://eprint.iacr.org/2005/015}, }