@misc{cryptoeprint:2016:121,
    author = {Tibor Jager},
    title = {Tightly-Secure Pseudorandom Functions via Work Factor Partitioning},
    howpublished = {Cryptology ePrint Archive, Report 2016/121},
    year = {2016},
    url = {https://eprint.iacr.org/2016/121},
}