%% You should probably cite rfc9883 instead of this I-D.
@techreport{ietf-lamps-private-key-stmt-attr-09,
    number =    {draft-ietf-lamps-private-key-stmt-attr-09},
    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-lamps-private-key-stmt-attr/09/},
    author =    {Russ Housley},
    title =     {{An Attribute for Statement of Possession of a Private Key}},
    pagetotal = 19,
    year =      2025,
    month =     jun,
    day =       26,
    abstract =  {This document specifies an attribute for a statement of possession of a private key by a certificate subject. As part of X.509 certificate enrollment, a Certification Authority (CA) typically demands proof that the subject possesses the private key that corresponds to the to-be-certified public key. In some cases, a CA might accept a signed statement from the certificate subject. For example, when a certificate subject needs separate certificates for signature and key establishment, a statement that can be validated with the previously issued signature certificate for the same subject might be adequate for subsequent issuance of the key establishment certificate.},
}