%% You should probably cite draft-ietf-lamps-cms-hash-sig instead of this I-D.
@techreport{housley-cms-mts-hash-sig-04,
    number =    {draft-housley-cms-mts-hash-sig-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-housley-cms-mts-hash-sig/04/},
    author =    {Russ Housley},
    title =     {{Use of the Hash-based Merkle Tree Signature (MTS) Algorithm in the Cryptographic Message Syntax (CMS)}},
    pagetotal = 11,
    year =      2016,
    month =     mar,
    day =       21,
    abstract =  {This document specifies the conventions for using the Merkle Tree Signatures (MTS) digital signature algorithm with the Cryptographic Message Syntax (CMS). The MTS algorithm is one form of hash-based digital signature.},
}