@misc{cryptoeprint:2009:580,
    author = {Daniel J. Bernstein and Tanja Lange},
    title = {A complete set of addition laws\\for incomplete Edwards curves},
    howpublished = {Cryptology ePrint Archive, Report 2009/580},
    year = {2009},
    url = {http://eprint.iacr.org/2009/580},
}