%% You should probably cite draft-ietf-dtn-bpsec-interop-sc instead of this I-D.
@techreport{birrane-dtn-bpsec-interop-cs-04,
    number =    {draft-birrane-dtn-bpsec-interop-cs-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-birrane-dtn-bpsec-interop-cs/04/},
    author =    {Edward J. Birrane},
    title =     {{BPSec Interoperability Security Contexts}},
    pagetotal = 8,
    year =      2019,
    month =     mar,
    day =       11,
    abstract =  {This document defines an integrity security context and a confidentiality security context suitable for testing the interoperability of Bundle Protocol Security (BPSec) implementations.},
}