@misc{rfc8773,
    series =    {Request for Comments},
    number =    8773,
    howpublished =  {RFC 8773},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC8773},
    url =       {https://www.rfc-editor.org/info/rfc8773},
    author =    {Russ Housley},
    title =     {{TLS 1.3 Extension for Certificate-Based Authentication with an External Pre-Shared Key}},
    pagetotal = 11,
    year =      2020,
    month =     mar,
    abstract =  {This document specifies a TLS 1.3 extension that allows a server to authenticate with a combination of a certificate and an external pre-shared key (PSK).},
}