@misc{cryptoeprint:2009:444,
    author = {Zhijun Li and Guang Gong and Zhiguang Qin},
    title = {Secure and Efficient HB-CM Entity Authentication Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2009/444},
    year = {2009},
    url = {http://eprint.iacr.org/2009/444},
}