convert image to vector

Hi this is quick 5 min job i want the sample image attached converted into vector format. the image needs to look very close and similar. however i need it to look like a circle more its basically the inner version of an eye- side view thats going to placed as a logo budget: $5.00 - $7.00 do not bid if you rate is above the requested budget! sample work provided will be given faster preference due date: Friday Oct 30,2009