@misc{cryptoeprint:2011:653,
    author = {Haomin Yang and Yaoxue Zhang and Yuezhi Zhou},
    title = {An Improved Certificateless Authenticated Key Agreement Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2011/653},
    year = {2011},
    url = {http://eprint.iacr.org/2011/653},
}