@misc{cryptoeprint:2012:318,
    author = {Daniel J. Bernstein and Tanja Lange},
    title = {Non-uniform cracks in the concrete:  the power of free precomputation},
    howpublished = {Cryptology ePrint Archive, Report 2012/318},
    year = {2012},
    url = {http://eprint.iacr.org/2012/318},
}