Oseh shalom bimromav

Hu ya’aseh shalom aleinu
V’al kol Yisrael
V’imru, v’imru amen.

Ya’aseh shalom, ya’aseh shalom
Shalom aleinu v’al kol Yisrael
Ya’aseh shalom, ya’aseh shalom
Shalom aleinu v’al kol Yisrael

(May he who makes peace in high places,
make peace for us and for all Israel,
and let us say, amen.)

See also http://www.aish.com/sh/s/48971516.html