@misc{cryptoeprint:2005:288,
    author = {Xavier Boyen and Qixiang Mei and Brent Waters},
    title = {Direct Chosen Ciphertext Security from Identity-Based Techniques},
    howpublished = {Cryptology ePrint Archive, Report 2005/288},
    year = {2005},
    url = {http://eprint.iacr.org/2005/288},
}