@misc{cryptoeprint:2009:623,
    author = {Masaaki Shirase},
    title = {Universally Constructing 12-th Degree Extension Field for Ate Pairing},
    howpublished = {Cryptology ePrint Archive, Report 2009/623},
    year = {2009},
    url = {http://eprint.iacr.org/2009/623},
}