@misc{cryptoeprint:2009:586,
    author = {Rongquan Feng and Hongfeng Wu},
    title = {A mean value formula for elliptic curves},
    howpublished = {Cryptology ePrint Archive, Report 2009/586},
    year = {2009},
    url = {http://eprint.iacr.org/2009/586},
}