@misc{cryptoeprint:2010:102,
    author = {Susan Hohenberger and Brent Waters},
    title = {Constructing Verifiable Random Functions with Large Input Spaces},
    howpublished = {Cryptology ePrint Archive, Report 2010/102},
    year = {2010},
    url = {http://eprint.iacr.org/2010/102},
}