%% You should probably cite rfc9172 instead of this I-D.
@techreport{ietf-dtn-bpsec-17,
    number =    {draft-ietf-dtn-bpsec-17},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-dtn-bpsec/17/},
    author =    {Edward J. Birrane and Kenneth McKeever},
    title =     {{Bundle Protocol Security Specification}},
    pagetotal = 37,
    year =      2020,
    month =     jan,
    day =       23,
    abstract =  {This document defines a security protocol providing end to end data integrity and confidentiality services for the Bundle Protocol. This document is an update of the protocol described in RFC 6257, reflecting lessons learned. For this reason it obsoletes RFC 6257, an IRTF-stream document.},
}