TY  - RPRT
TI  - Recommendation for key derivation using pseudorandom functions 
AU  - Chen, Lily
PY  - 2022
PB  - National Institute of Standards and Technology (U.S.)
CY  - Gaithersburg, MD
SN  - NIST SP 800-108r1
DO  - 10.6028/NIST.SP.800-108r1
ER  -