@misc{cryptoeprint:2013:189,
    author = {Appala Naidu Tentu and Prabal Paul and  V Ch Venkaiah},
    title = {Ideal and Perfect Hierarchical Secret Sharing Schemes based on MDS codes},
    howpublished = {Cryptology ePrint Archive, Report 2013/189},
    year = {2013},
    url = {http://eprint.iacr.org/2013/189},
}