@misc{cryptoeprint:2017:754,
    author = {Ahto Buldas and Matthias Geihs and Johannes Buchmann},
    title = {Long-Term Secure Time-Stamping using Preimage-Aware Hash Functions},
    howpublished = {Cryptology ePrint Archive, Report 2017/754},
    year = {2017},
    url = {https://eprint.iacr.org/2017/754},
}