@misc{cryptoeprint:2012:503,
    author = {Alex Escala and Javier Herranz and Benoit Libert and Carla Rafols},
    title = {Hierarchical Identity-Based (Lossy) Trapdoor Functions},
    howpublished = {Cryptology ePrint Archive, Report 2012/503},
    year = {2012},
    url = {http://eprint.iacr.org/2012/503},
}