%% You should probably cite rfc3788 instead of this I-D.
@techreport{ietf-sigtran-security-03,
    number =    {draft-ietf-sigtran-security-03},
    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-sigtran-security/03/},
    author =    {Javier Pastor and Michael Tüxen and John A. Loughney},
    title =     {{Security Considerations for Signaling Transport (SIGTRAN) Protocols}},
    pagetotal = 13,
    year =      2003,
    month =     jul,
    day =       1,
    abstract =  {This document discusses how Transport Layer Security (TLS) and IPsec can be used to secure communication for SIGTRAN protocols. The main goal is to recommend the minimum security means that a SIGTRAN node must implement in order to attain secured communication. The support of IPsec is mandatory for all nodes running SIGTRAN protocols. TLS support is optional. {[}STANDARDS-TRACK{]}},
}