If you have the official Clojure CLI installed, you can run:
clojure -X:deps mvn-pom
to produce a
If you're using Leiningen, don't you already have a
project.clj file, and Leiningen will produce a
pom.xml file from that.
Otherwise, perhaps you can provide more background on what your situation is - how your project is set up and what, exactly, you are trying to do?