@inproceedings{BHK+19,
  author        = {Daniel J. Bernstein and Andreas H\"ulsing and Stefan K\"olbl and Ruben Niederhagen and Joost Rijneveld and Peter Schwabe},
  title         = {The SPHINCS$^+$ signature framework},
  booktitle     = {Proceedings of the 2019 {ACM SIGSAC} Conference on Computer and Communications Security, {CCS'19}},
  publisher     = {ACM},
  pages         = {2129--2146},
  year          = {2019},
  note          = {\url{http://cryptojedi.org/papers/\#spx}},
}