@misc{cryptoeprint:2020:1028,
    author = {Craig Gotsman and Kai Hormann},
    title = {Secure Data Hiding for Contact Tracing},
    howpublished = {Cryptology ePrint Archive, Report 2020/1028},
    year = {2020},
    url = {https://eprint.iacr.org/2020/1028},
}