@misc{cryptoeprint:2003:151,
    author = {Jaume Martí-Farré and Carles Padró},
    title = {Secret sharing schemes on sparse homogeneous access structures with rank three},
    howpublished = {Cryptology ePrint Archive, Report 2003/151},
    year = {2003},
    url = {http://eprint.iacr.org/2003/151},
}