@misc{rfc8472,
    series =    {Request for Comments},
    number =    8472,
    howpublished =  {RFC 8472},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC8472},
    url =       {https://www.rfc-editor.org/info/rfc8472},
    author =    {Andrei Popov and Magnus Nyström and Dirk Balfanz and Adam Langley},
    title =     {{Transport Layer Security (TLS) Extension for Token Binding Protocol Negotiation}},
    pagetotal = 8,
    year =      2018,
    month =     oct,
    abstract =  {This document specifies a Transport Layer Security (TLS) extension for the negotiation of Token Binding protocol version and key parameters. Negotiation of Token Binding in TLS 1.3 and later versions is beyond the scope of this document.},
}