@misc{cryptoeprint:2011:192,
    author = {Joseph K. Liu and Feng Bao and Jianying Zhou},
    title = {Short and Efficient Certificate-Based Signature},
    howpublished = {Cryptology ePrint Archive, Report 2011/192},
    year = {2011},
    url = {http://eprint.iacr.org/2011/192},
}