%% You should probably cite rfc8645 instead of this I-D.
@techreport{irtf-cfrg-re-keying-01,
    number =    {draft-irtf-cfrg-re-keying-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-irtf-cfrg-re-keying/01/},
    author =    {Stanislav V. Smyshlyaev and Russ Housley and Mihir Bellare and Evgeny Alekseev and Ekaterina Smyshlyaeva},
    title =     {{Re-keying Mechanisms for Symmetric Keys}},
    pagetotal = 39,
    year =      2017,
    month =     mar,
    day =       7,
    abstract =  {This specification contains a description of a variety of methods to increase the lifetime of symmetric keys. It provides external and internal re-keying mechanisms that can be used with such modes of operations as CTR, GCM, CBC, CFB, OFB and OMAC.},
}