@misc{cryptoeprint:2012:534,
    author = {Maura B. Paterson and Douglas R. Stinson},
    title = {A Simplified Combinatorial Treatment of Constructions and Threshold Gaps of Ramp Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2012/534},
    year = {2012},
    url = {http://eprint.iacr.org/2012/534},
}