@misc{cryptoeprint:2005:258,
    author = {Nuttapong Attrapadung and Yang Cui and Goichiro Hanaoka and Hideki Imai and Kanta Matsuura and Peng Yang and Rui Zhang},
    title = {Relations Among Notions of Security for Identity Based Encryption Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2005/258},
    year = {2005},
    url = {http://eprint.iacr.org/2005/258},
}