@misc{cryptoeprint:2009:564,
    author = {Mingqiang  Wang and Puwen Wei and  Haifeng Zhang and Yuliang Zheng},
    title = {Optimal pairing revisited},
    howpublished = {Cryptology ePrint Archive, Report 2009/564},
    year = {2009},
    url = {http://eprint.iacr.org/2009/564},
}