@misc{cryptoeprint:2012:464,
    author = {Carles Padro and Leonor Vazquez and  An Yang},
    title = {Finding Lower Bounds on the Complexity of Secret Sharing Schemes by Linear Programming},
    howpublished = {Cryptology ePrint Archive, Report 2012/464},
    year = {2012},
    url = {http://eprint.iacr.org/2012/464},
}