@misc{9691,
  author = {Quynh Dang},
  title = {Recommendation for Existing Application-Specific Key Derivation Functions},
  year = {2011},
  month = {2011-12-23},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.800-135r1},
  language = {en},
}