%% You should probably cite draft-ietf-tls-dtls-rrc instead of this I-D.
@techreport{tschofenig-tls-dtls-rrc-00,
    number =    {draft-tschofenig-tls-dtls-rrc-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-tschofenig-tls-dtls-rrc/00/},
    author =    {Thomas Fossati and Hannes Tschofenig},
    title =     {{Return Routability Check for DTLS 1.2 and DTLS 1.3}},
    pagetotal = 9,
    year =      2019,
    month =     jul,
    day =       8,
    abstract =  {This document specifies a return routability check for use in context of the Connection ID (CID) construct for the Datagram Transport Layer Security (DTLS) protocol versions 1.2 and 1.3.},
}