@misc{31461,
  author = {Sheila Frankel and Karen Kent and Ryan Lewkowski and Angela Orebaugh and Ronald Ritchey and Steven Sharma},
  title = {Guide to IPsec VPNs: Recommendations of the National Institute of Standards and Technology},
  year = {2005},
  month = {2005-12-01},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150393},
  language = {en},
}