@misc{cryptoeprint:2012:687,
    author = {Karyn Benson and Hovav Shacham and Brent Waters},
    title = {The k-BDH Assumption Family: Bilinear Map Cryptography from Progressively Weaker Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2012/687},
    year = {2012},
    url = {http://eprint.iacr.org/2012/687},
}