diff --git a/test/benchmarks/bls12_websnark.inputs b/test/benchmarks/bls12_websnark.inputs
new file mode 100644
index 000000000..da9eaf64b
--- /dev/null
+++ b/test/benchmarks/bls12_websnark.inputs
@@ -0,0 +1,8 @@
+synth
+main
+:
+
+
+
+
+
diff --git a/test/benchmarks/bls12_websnark.md b/test/benchmarks/bls12_websnark.md
new file mode 100644
index 000000000..aa96cbe11
--- /dev/null
+++ b/test/benchmarks/bls12_websnark.md
@@ -0,0 +1 @@
+This is from [cdetrio's bls12 test](https://github.com/ewasm/scout.ts/blob/f6m_mul_loop-standalone/assembly/bls12-pairing/out/main_with_websnark.wasm), based on [websnark](https://github.com/iden3/websnark), which is licensed under GPL-3.0.
diff --git a/test/benchmarks/bls12_websnark.wasm b/test/benchmarks/bls12_websnark.wasm
new file mode 100644
index 000000000..edffd4420
Binary files /dev/null and b/test/benchmarks/bls12_websnark.wasm differ